. >> crowd sources technology to deliver traffic information. we get that from cars, fleet vehicles like u p s and from mobile phones. >> it's predicted the most on thursday and friday afternoon. >> it's going to be tough on thegolden gate bridge tough like monday morning commute. >> heavy traffic is also expected in county between 11:00 a.m. and 6:00 p.m. saturday. many drivers say they will try to avoid as much as possible. >> 45 days it's shut down i will either be going 92 and go over that bridge which i imagine will be about three times as busy as normal. >> if you don't already have one you may want to get fast track. it should make it easier to get around over labor day weekend. live in k t v u. >> a bay bridge closure survival guide on our home page. >>> now county where police say two men are in custody linked to at least four armed robberies. investigators arrested richard french this morning held up a pet food express and u p s store within 15 minutes and two more businesses in the clayton valley shopping center on saturday. evidence